3. Indiana
State GDP: $245 billion
Growth in 2010: 4.6%

The comeback of America's auto industry is helping Indiana get back on its feet.

All of the Big Three U.S. auto manufacturers -- General Motors, Ford and Chrysler -- have a major presence in the state -- as do foreign competitors Subaru, Toyota and Honda.

After suffering their worst crisis in history, these automakers are experiencing an almost shocking turnaround, adding back jobs and expanding their factories -- a welcome engine of growth for Indiana last year.

Last updated June 16 2011: 10:47 AM ET
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